111023231223 has 32 divisors (see below), whose sum is σ = 153493364736. Its totient is φ = 71340691968.

The previous prime is 111023231201. The next prime is 111023231239. The reversal of 111023231223 is 322132320111.

It is not a de Polignac number, because 111023231223 - 2⁹ = 111023230711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111023231223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111023231623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2479290 + ... + 2523672.

It is an arithmetic number, because the mean of its divisors is an integer number (4796667648).

Almost surely, 2^111023231223 is an apocalyptic number.

111023231223 is a deficient number, since it is larger than the sum of its proper divisors (42470133513).

111023231223 is a wasteful number, since it uses less digits than its factorization.

111023231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44703.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 111023231223 its reverse (322132320111), we get a palindrome (433155551334).

The spelling of 111023231223 in words is "one hundred eleven billion, twenty-three million, two hundred thirty-one thousand, two hundred twenty-three".